President Barack Obama will be at the DNC 2012 tonight to make his acceptance speech to formally become the Democratic presidential nominee. President Obama's speech can be watched online through live stream (details below).

Earlier this week speeches by First Lady Michelle Obama and Former President Bill Clinton created an optimistic atmosphere at the Democratic convention and many party faithful are now confident that Obama has a good chance at being re-elected in a few months.

MORE: OBAMA'S SPEECH FULL TEXT TRANSCRIPT AND VIDEO - CLICK HERE

Antonio Villaraigosa, chairman of the Democratic convention and mayor of Los Angeles said at a USA TODAY Newsmakers session, "President Obama has been given the baton, and I think he's going to get over the finish line tonight. The president is going to make crystal clear the choices ahead."

Former President Bill Clinton made the case on Wednesday night for Obama's re-election, gaining standing ovations numerous times by the thousands of Democrats gathered at the Time Warner Cable Arena.

Obama's campaign is previewing Thursday night's convention speech with a video entitled "Promises Kept."

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The Obama campaign said in an email: "From cutting taxes for middle-class families to bringing about comprehensive health care reform to re-investing in education and infrastructure, President Obama has kept his promise to rebuild America for millions of families."

Obama senior adviser David Plouffe has also said the president would give voters "a very clear sense of where he thinks the country needs to go economically, the path we need to take."

The president's speech has been moved from the large outdoor Bank of America stadium to the much smaller Time Warner arena because of adverse weather conditions, leaving thousands of Obama fans who had hoped to catch the speech live disappointed.

Obama has said, "The problem was a safety issue. I couldn't ask you, volunteers, first-responders … to subject yourself to the risks of a severe thunderstorm."

MORE: OBAMA'S SPEECH FULL TEXT TRANSCRIPT AND VIDEO - CLICK HERE

"My main message is we can't let a little thunder and lightning get us down," said Obama. "We just got to roll with it."

President Barack Obama's speech at the DNC 2012 will take place from 10 p.m. ET and can be watched online through live stream by clicking here.